| 渭河特大桥墩身混凝土防裂质量控制技术 |
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| 引用本文： | 余平.渭河特大桥墩身混凝土防裂质量控制技术[J].中国建材科技,2013(2):110-112. |
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| 作者姓名： | 余平 |
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| 作者单位： | 中铁七局集团第三工程公司,陕西 西安7100032 |
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| 摘 要： | 西延铁路线扩能改造工程渭河特大桥墩身共39个，均为圆端型墩，结构尺寸为350cm×500cm，墩高5~11m，混凝土标号为C30。墩身混凝土采用大模板一次浇注。施工中如何有效的控制墩身混凝土的外观质量，避免墩身混凝土表面出现裂缝，保证工程外观质量是渭河特大桥工程施工的控制重点之一。
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| 关 键 词： | 扩能 特大桥 裂缝 |
Quality control technology of Weihe bridge pier concrete cracking |
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| Abstract: | The railway line from Xian to Yanan extension capacity improvement project WeiHe river extra-large bridge pier body is a total of 39,for round end pier, structure size is 350 cm x 500 cm,pier 5-11 meters high,C30 concrete grade.Pier concrete with large template pouring at a time.How to effectively control the appearance of the concrete used in construction quality, avoid concrete surface cracks, used to ensure the appearance quality of the project what is the WeiHe river especially big bridge construction control is one of the key. |
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| Keywords: | expansion large bridge crack |
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